He recognized that welding could be used not only for routine repairs, but for extremely precise repairs to the company’s molds. Welding under a microscope with the most advanced welding tools available, he developed techniques for making fine repairs to tools and dies. He perfected his technique to the degree that he could weld with surgical precision, repairing molds so that they were as good as if they were brand new. He honed his welding skills for nearly 10 years, becoming one of a handful of the most elite micro-welders in the world.
Recognizing the potential for a wide application of his skills, he formed Micro Arc Welding Service Company, Inc. in 1988.
Micro Arc’s team of micro welders continues to grow. The company now has the capacity to handle larger orders – and to turn them around in as little as 24 hours when necessary.
With a fully equipped machine shop right on-site, Scott’s team of micro-welders can take on tough repairs and get them done on time, on budget – and within the required tolerance.
When needed a micro welder can work with tolerances that are +/-0.002” in X and Y dimensions and +/-0.005” in the Z dimension. Micro Arc's ability to micro-weld to these tolerances in hard-to-reach areas, on thin blades or under other adverse conditions is a skill that only a select few welders have attained.
Knowledge of the effects of pre-heating and post-heating the materials is also necessary. Variations in these processes may have dramatic effects on weld longevity and stresses to the welded piece.
Micro Arc was founded in 1988 by Scott Malkasian, an accomplished mold maker who had worked in his family tool and die business for nearly 10 years. Scott developed an intense interest in welding and became the in-house welder for his family's company. 
As his business grew, he began an extensive search for qualified welders to add to his team. Because of the level of skill required, it took nearly 10 years to build the team of experts he has today. 
A micro-dimensional welder, or Class A micro welder, can place and form weld in complex shapes and sizes within specified tolerances, and has the ability to prevent, control and eliminate distortion caused by the welding process.
The micro-dimensional welder uses a low-amp welder, a 0.003”-diameter welding rod and a microscope, but would-be micro welders are able to make use of the full capabilities of these tools only after many years of practical experience. Even then, only a select few have the skills necessary to become a successful micro-dimensional welder. Our Microwelders have the manual dexterity, patience, creativity, surgeon-like steadiness and an artistic ability required to visualize and create complex, 3-D geometric shapes. 
Knowledge and experience of the metallurgical effects of heat are also essential. Micro welders have experience with common tool steels (S-7, 420 SS, H-13, P-20, etc.), problematic tool steels (A-10, D2, 440 C, etc.) and non-ferrous metals. We also have a regimented program for updating knowledge on new materials. Micro-dimensional welders can work with various plating types, nitriding and other surface treatments. Even high-polished and textured surfaces can be duplicated after welding.
With access to a full service machine shop, we can make special jigs, fixtures, heat sinks and other tools which enable us to turn around your job faster and at a lower cost. We also have the capability of providing turnkey solutions for your welding projects, reworking your mold components after welding and getting you up and running faster.
Today, Micro Arc serves clients in a wide variety of industries throughout the United States. Some of Micro Arc's customers include:
 Artic Cat |
Johnson &
Johnson |
| A.T. Cross |
Lucent Technologies |
| Avery Dennison |
Polariod |
| Becton Dickinson |
Sony |
| Corning |
Tech Group |
| David Clark |
TRW |
| Delta Pacific |